E60 M5 CSL

A few weeks ago, BMW began letting a few select journos into its super secret CSL garage, filled with incredibly special prototype cars that never reached production. The four cars BMW decided to show off…

Most BMW fans love the E60-gen M5 for its high-revving, F1-sounding V10 engine. In stock form, it made 500 horsepower and revved to 8,250 rpm, making it one of the most exciting road-car engines ever…